208030380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 595123200

約数和(自身を除く): 387092820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 163, 178, 239, 267, 326, 356, 445, 478, 489, 534, 652, 717, 815, 890, 956, 978, 1068, 1195, 1335, 1434, 1630, 1780, 1956, 2390, 2445, 2670, 2868, 3260, 3585, 4780, 4890, 5340, 7170, 9780, 14340, 14507, 21271, 29014, 38957, 42542, 43521, 58028, 63813, 72535, 77914, 85084, 87042, 106355, 116871, 127626, 145070, 155828, 174084, 194785, 212710, 217605, 233742, 255252, 290140, 319065, 389570, 425420, 435210, 467484, 584355, 638130, 779140, 870420, 1168710, 1276260, 2337420, 3467173, 6934346, 10401519, 13868692, 17335865, 20803038, 34671730, 41606076, 52007595, 69343460, 104015190, 208030380]

約数ペア:

[(1, 208030380), (2, 104015190), (3, 69343460), (4, 52007595), (5, 41606076), (6, 34671730), (10, 20803038), (12, 17335865), (15, 13868692), (20, 10401519), (30, 6934346), (60, 3467173), (89, 2337420), (163, 1276260), (178, 1168710), (239, 870420), (267, 779140), (326, 638130), (356, 584355), (445, 467484), (478, 435210), (489, 425420), (534, 389570), (652, 319065), (717, 290140), (815, 255252), (890, 233742), (956, 217605), (978, 212710), (1068, 194785), (1195, 174084), (1335, 155828), (1434, 145070), (1630, 127626), (1780, 116871), (1956, 106355), (2390, 87042), (2445, 85084), (2670, 77914), (2868, 72535), (3260, 63813), (3585, 58028), (4780, 43521), (4890, 42542), (5340, 38957), (7170, 29014), (9780, 21271), (14340, 14507)]